Enum ordbog::Mode

pub enum Mode {
    Byte,
    Word,
}

Indicates whether to build a small Dict of up to 255 values or a larger one of up to 65535 values.

Variants

Byte

Build a Dict with up to 255 codes ranging over [1,255]. This mode is most appropriate when building a sketch that elides accesses to smaller underlying storage blocks like 64-byte cache lines, where the small repertoire of codes (and thus higher per-element chance of a false positive) is offset by the small size of each storage block (and thus small number of elements).

Word

Build a Dict with up to 65535 codes ranging over [1,65535]. This mode is most appropriate when building a sketch that elides access to larger underlying storage blocks like 4096-byte pages, where the larger number of elements per storage block demands a comparatively low false positive probability per element.

Implementations

impl Mode

pub fn num_exact_codes(&self) -> usize

Returns the count of exact codes in the mode: either 127 for Mode::Byte or 32767 for Mode::Word.

pub fn max_exact_code(&self) -> Code

Returns the maximum exact code in the mode: either 0xfe for Mode::Byte or 0xfffe for Mode::Word.

pub fn max_inexact_code(&self) -> Code

Returns the maximum inexact code in the mode: either 0xff for Mode::Byte or 0xffff for Mode::Word.

Trait Implementations

impl Clone for Mode

fn clone(&self) -> Mode

Returns a copy of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for Mode

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Ord for Mode

fn cmp(&self, other: &Mode) -> Ordering

This method returns an Ordering between self and other.

#[must_use]

fn max(self, other: Self) -> Self

Compares and returns the maximum of two values.

#[must_use]

fn min(self, other: Self) -> Self

Compares and returns the minimum of two values.

#[must_use]

fn clamp(self, min: Self, max: Self) -> Self

Restrict a value to a certain interval.

impl PartialEq<Mode> for Mode

fn eq(&self, other: &Mode) -> bool

This method tests for self and other values to be equal, and is used by ==.

#[must_use]

fn ne(&self, other: &Rhs) -> bool

This method tests for !=.

impl PartialOrd<Mode> for Mode

fn partial_cmp(&self, other: &Mode) -> Option<Ordering>

This method returns an ordering between self and other values if one exists.

#[must_use]

fn lt(&self, other: &Rhs) -> bool

This method tests less than (for self and other) and is used by the < operator.

#[must_use]

fn le(&self, other: &Rhs) -> bool

This method tests less than or equal to (for self and other) and is used by the <= operator.

#[must_use]

fn gt(&self, other: &Rhs) -> bool

This method tests greater than (for self and other) and is used by the > operator.

#[must_use]

fn ge(&self, other: &Rhs) -> bool

This method tests greater than or equal to (for self and other) and is used by the >= operator.

impl Copy for Mode

impl Eq for Mode

impl StructuralEq for Mode

impl StructuralPartialEq for Mode